Mark SullivanSenior Editor, PCWorld

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.


How to Google Like Google Googles

We tapped the company for some inside tips and tricks that can make you a Google Search, Gmail, and Maps power user.

Tim Cook Talk Leads Social Media Conversation in Last 24 Hours

The social web has been buzzing about Steve Jobs since his resignation yesterday. We looked at every comment, tweet, post and update to find out exactly what people are saying.

AT&T's First LTE Devices Hit Shelves August 21

The new USB stick and mobile hotspot will connect to the carrier's new LTE network, which will launch later this year in five cities.

Nine Creepy Apps for Android, iOS, and the Web

Ranging from apps that seem designed with stalkers in mind, to apps that facilitate what looks a lot like prostitution, we found plenty of programs that vie for the “creepy” crown.


Will HTML5 Kill the Mobile App?

Native apps are expensive to make and hard to promote; with a powerful new upgrade to HTML now emerging, developers may opt for apps that run in mobile browsers.

PayPal Intros Phone-to-Phone "Tap" Payments

The new Android widget, which works only on Samsung Nexus S phones at the moment, and will launch in late summer.

Group and Mobile Video Chat, Telephone Calling Likely Coming to Facebook

The three men from Facebook and Skype who are most responsible for the social network's new video-chat features answer PCWorld's questions about the launch.

The Best of 'Damn You, Autocorrect'

9 Reasons to Switch from Facebook to Google+

Can Google+ steal users from Facebook? Yep. There are good reasons to switch from Facebook to Google+, ranging from ease-of-use to respect for data privacy.

Google+ Social Network: Hands-On First Impressions

Google's new social networking site Google+ has a few rough spots, but is, overall, a strong start to the search giant's challenge to Facebook.

Help! A Web Ad Is Stalking Me

Mixing old and new technologies, Web advertisers have become expert at serving ads to us based on our personal statistics and tastes. But instead of feeling grateful for more-relevant ads, many of us are just creeped out.

Top 10 Songs About Cameras and Photography

Singing about cameras is like dancing about architecture. Well, something like that. Here are the 10 best songs we've ever heard about cameras, photography, and video.


The Funniest Sites on the Web

Online privacy is dead. Our data may be in jeopardy. Haters, hackers, and trolls abound. Advertising and porn have taken over. But on the other hand, there's still a lot of funny on the Web.


What Your Wireless Carrier Knows About You

Operators can tell a lot about the devices, apps, and content you use. But they're far more interested in macro-level trends that show shifts in overall usage patterns as mobile broadband use continues to increase.